The Content-Type of the request body is not supported by the target resource.
Quick facts
When does it occur
The Content-Type of the request body is not supported by the target resource.
It belongs to the 4xx Client Error class of responses, defined in RFC7231#6.5.13.
Browse all codes in this class: 4xx Client Error
How to fix it
Send the body with a supported Content-Type (for example application/json).
Common causes
How to fix it
Double-check the URL, return to the homepage and search again, or retry later.
Send the body with a supported Content-Type (for example application/json).
Review access logs and permission rules for the affected path, and confirm routing and security policies.
Frequently asked questions
415 belongs to the 4xx Client Error class and is generally not cached for long; behavior is controlled by Cache-Control.
4xx Client Error: The Content-Type of the request body is not supported by the target resource.
Sources & standards
Updated 2026-09-13
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about this tool
This page provides original, human-reviewed information about HTTP status codes such as 415, the HTTP Status Code Reference and related concepts. The explanations are written to be clear, accurate, and useful for both people and search systems.
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